package com.algo.moduleOne;

import java.util.Arrays;

public class PlusOne {

    public static void main(String[] args) {

        int[] ss= new int[]{8,2,9,9};
        System.out.println(Arrays.toString(plusOne(ss)));
    }
    public static int[] plusOne(int[] digits) {

        for(int i = digits.length-1; i>= 0; i--){

            digits[i] += 1;
            digits[i] = digits[i] %10 ;
            if(digits[i] != 0){
                return digits;
            }
        }
        digits = new int[digits.length +1];
        digits[0] = 1;
        return digits;
    }

}
